I did change the default error handler (using Mpi_Comm_set_errhandler) in the main_exe program. I replaced it with a printf.
My error handler is never called, but main_exe receives a SIGPIPE signal.
So the only solution I found is to catch SIGPIPE and forget it...>

> It is not supposed to work, and if you find an MPI implementation
> that support this approach please tell me. I know the paper
> where you
> read about this, but even with their MPI library this approach does
> not work.

which paper are you talking about ?

>
> Soon, Open MPI will be able to support this feature. Several fault
> tolerant modes are under way, but no precise timeline yet.